All airlines flying from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).

Ad box here 7322741189 I FlightInfo Top Box

FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 5:00 Effective 2025-08-13 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 348)
Tue 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Operates only on 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sat 16:00 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Effective 2025-05-15 through 2025-05-22 Codeshare flight, operated by Alaska Airlines.(AS 406)
Fri 16:00 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 4:59 Operates only on 2025-05-16 Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Tue,Thu-Sat 16:00 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Effective 2025-05-23 through 2025-05-31 Codeshare flight, operated by Alaska Airlines.(AS 406)
Daily 16:00 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Effective 2025-06-01 through 2025-06-10 Codeshare flight, operated by Alaska Airlines.(AS 406)
Tue,Thu,Sat 16:00 Seattle-Tacoma (SEA) 23:49 Dulles, Washington (IAD) Qatar Airways QR 3352 Non-stop Boeing 737 (73J) 4:49 Effective 2025-10-04 through 2025-11-20 Codeshare flight, operated by Alaska Airlines.(AS 348)
Sat 12:36 Seattle-Tacoma (SEA) 20:43 Dulles, Washington (IAD) Hawaiian Airlines HA 4741 Non-stop Boeing 737 (737) 5:07 Valid until 2025-05-03 Codeshare flight, operated by Alaska Airlines.(AS 414)
Sat 12:36 Seattle-Tacoma (SEA) 20:43 Dulles, Washington (IAD) Hawaiian Airlines HA 4741 Non-stop Boeing 737 MAX 9 (7M9) 5:07 Operates only on 2025-05-10 Codeshare flight, operated by Alaska Airlines.(AS 414)
Daily 09:55 Seattle-Tacoma (SEA) 17:55 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective 2026-01-07 through 2026-02-11 Codeshare flight, operated by Alaska Airlines.(AS 406)
Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Operates only on 2025-07-04 Codeshare flight, operated by Alaska Airlines.(AS 348)
Sat 16:00 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Valid until 2025-05-03 Codeshare flight, operated by Alaska Airlines.(AS 345)
Sat 16:00 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 4:58 Operates only on 2025-05-10 Codeshare flight, operated by Alaska Airlines.(AS 345)
Daily 21:55 Seattle-Tacoma (SEA) 05:55 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective 2025-10-04 through 2025-10-31 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Sat 21:55 Seattle-Tacoma (SEA) 04:55 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:00 Operates only on 2025-11-01 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 05:55 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective 2025-11-02 through 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 05:55 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:00 Effective from 2026-02-12 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Daily 23:30 Seattle-Tacoma (SEA) 07:36 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:06 Effective 2025-05-15 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 307) The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 4:57 Effective 2025-06-12 through 2025-06-28 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-06-13 through 2025-06-27 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Operates only on 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 4:57 Effective 2025-06-30 through 2025-07-19 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-07-11 through 2025-07-18 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-07-20 through 2025-07-25 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Mon-Thu,Sat,Sun 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 4:57 Effective 2025-07-21 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Fri 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Effective 2025-08-01 through 2025-08-15 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Tue 23:30 Seattle-Tacoma (SEA) 07:27 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 4:57 Operates only on 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Daily 23:30 Seattle-Tacoma (SEA) 07:32 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:02 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 367) The flight arrives 1 day after departure.
Tue,Fri,Sun 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Valid until 2025-05-09 Codeshare flight, operated by Alaska Airlines.(AS 369) The flight arrives 1 day after departure.
Mon,Wed,Thu 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:03 Valid until 2025-05-08 Codeshare flight, operated by Alaska Airlines.(AS 369) The flight arrives 1 day after departure.
Mon,Wed,Sun 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 (73J) 5:03 Effective 2025-05-11 through 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 369) The flight arrives 1 day after departure.
Tue 23:40 Seattle-Tacoma (SEA) 07:43 Dulles, Washington (IAD) JAL JL 5440 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Operates only on 2025-05-13 Codeshare flight, operated by Alaska Airlines.(AS 369) The flight arrives 1 day after departure.
Wed 16:00 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6272 Non-stop Boeing 737 (737) 4:59 Operates only on 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 610)
Daily 15:55 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:03 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu-Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:00 Effective 2025-06-12 through 2025-06-21 Codeshare flight, operated by Alaska Airlines.(AS 348)
Wed,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-06-15 through 2025-06-22 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Wed,Fri,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-06-23 through 2025-06-29 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:00 Effective 2025-06-24 through 2025-07-01 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Wed,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:00 Effective 2025-07-02 through 2025-07-07 Codeshare flight, operated by Alaska Airlines.(AS 348)
Tue-Fri,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-03 through 2025-07-10 Codeshare flight, operated by Alaska Airlines.(AS 348)
Daily 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:00 Effective 2025-07-11 through 2025-07-19 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sat,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-20 through 2025-07-27 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon-Wed,Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:00 Effective 2025-07-23 through 2025-08-01 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-07-31 through 2025-08-07 Codeshare flight, operated by Alaska Airlines.(AS 348)
Wed,Fri,Sat 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:00 Effective 2025-08-02 through 2025-08-08 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Tue,Thu,Sat,Sun 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Effective 2025-08-09 through 2025-08-17 Codeshare flight, operated by Alaska Airlines.(AS 348)
Mon,Wed,Fri 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 5:00 Effective 2025-08-13 through 2025-08-18 Codeshare flight, operated by Alaska Airlines.(AS 348)
Tue 15:59 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 5:00 Operates only on 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 348)
Tue,Wed,Sat 16:00 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 MAX 9 (7M9) 4:58 Valid until 2025-05-07 Codeshare flight, operated by Alaska Airlines.(AS 345)
Sat 16:00 Seattle-Tacoma (SEA) 23:58 Dulles, Washington (IAD) Hawaiian Airlines HA 6717 Non-stop Boeing 737 (737) 4:58 Operates only on 2025-05-10 Codeshare flight, operated by Alaska Airlines.(AS 345)

Ad flat here 8924483383 I FlightInfo Lower

Parallax here SEA-IAD

1 2 3 ... 5 6 7 8 9 10 11

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
The flight distance is 2299 miles, or 3699 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:48 and 5:11.

Return (IAD-SEA) flights

Feedback - Disclaimer - Privacy - new_base.html - DESKTOP - CACHE: False - LANG: en - IS_EU: False

All airlines flying from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).

Ad mobi flat here (320x100px) 9629219771 M FlightInfo Top Flat

FLIGHT SCHEDULE

Direct Codeshare Flights:

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-13 through 2025-08-18

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (73J)

Qatar Airways QR3352

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Operates only on 2025-08-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

16:00

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-05-15 through 2025-05-22

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

16:00

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Operates only on 2025-05-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:59, non-stop
Boeing 737 (73J)

Qatar Airways QR3352

16:00

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-05-23 through 2025-05-31

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

16:00

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-01 through 2025-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)

Qatar Airways QR3352

16:00

Seattle-Tacoma (SEA)

23:49

Dulles, Washington (IAD)

Effective 2025-10-04 through 2025-11-20

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 4:49, non-stop
Boeing 737 (73J)

Hawaiian Airlines HA4741

12:36

Seattle-Tacoma (SEA)

20:43

Dulles, Washington (IAD)

Valid until 2025-05-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 414)

Duration: 5:07, non-stop
Boeing 737 (737)

Hawaiian Airlines HA4741

12:36

Seattle-Tacoma (SEA)

20:43

Dulles, Washington (IAD)

Operates only on 2025-05-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 414)

Duration: 5:07, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5440

09:55

Seattle-Tacoma (SEA)

17:55

Dulles, Washington (IAD)

Effective 2026-01-07 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 406)

Duration: 5:00, non-stop
Boeing 737 (73J)

JAL JL5440

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5440

16:00

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Valid until 2025-05-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 345)

Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)

JAL JL5440

16:00

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Operates only on 2025-05-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 345)

Duration: 4:58, non-stop
Boeing 737 (73J)

JAL JL5440

21:55

Seattle-Tacoma (SEA)

05:55(+1)

Dulles, Washington (IAD)

Effective 2025-10-04 through 2025-10-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

21:55

Seattle-Tacoma (SEA)

04:55(+1)

Dulles, Washington (IAD)

Operates only on 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

21:55

Seattle-Tacoma (SEA)

05:55(+1)

Dulles, Washington (IAD)

Effective 2025-11-02 through 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

21:55

Seattle-Tacoma (SEA)

05:55(+1)

Dulles, Washington (IAD)

Effective from 2026-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 5:00, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:36(+1)

Dulles, Washington (IAD)

Effective 2025-05-15 through 2025-06-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 307)

Duration: 5:06, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-06-12 through 2025-06-28

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-06-13 through 2025-06-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Operates only on 2025-06-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-06-30 through 2025-07-19

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-07-11 through 2025-07-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-07-20 through 2025-07-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-07-21 through 2025-08-18

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Effective 2025-08-01 through 2025-08-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:27(+1)

Dulles, Washington (IAD)

Operates only on 2025-08-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 4:57, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

JAL JL5440

23:30

Seattle-Tacoma (SEA)

07:32(+1)

Dulles, Washington (IAD)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 367)

Duration: 5:02, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:40

Seattle-Tacoma (SEA)

07:43(+1)

Dulles, Washington (IAD)

Valid until 2025-05-09

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 369)

Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

JAL JL5440

23:40

Seattle-Tacoma (SEA)

07:43(+1)

Dulles, Washington (IAD)

Valid until 2025-05-08

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 369)

Duration: 5:03, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:40

Seattle-Tacoma (SEA)

07:43(+1)

Dulles, Washington (IAD)

Effective 2025-05-11 through 2025-05-14

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 369)

Duration: 5:03, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

JAL JL5440

23:40

Seattle-Tacoma (SEA)

07:43(+1)

Dulles, Washington (IAD)

Operates only on 2025-05-13

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 369)

Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Hawaiian Airlines HA6272

16:00

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Operates only on 2025-06-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 610)

Duration: 4:59, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:55

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Effective 2025-08-20 through 2025-10-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:03, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-12 through 2025-06-21

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-15 through 2025-06-22

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-23 through 2025-06-29

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-06-24 through 2025-07-01

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-02 through 2025-07-07

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-03 through 2025-07-10

Mon
-

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-11 through 2025-07-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-20 through 2025-07-27

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-23 through 2025-08-01

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-07-31 through 2025-08-07

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-02 through 2025-08-08

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-09 through 2025-08-17

Mon

Tue

Wed
-

Thu

Fri
-

Sat

Sun

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Effective 2025-08-13 through 2025-08-18

Mon

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 (737)

Hawaiian Airlines HA6717

15:59

Seattle-Tacoma (SEA)

23:59

Dulles, Washington (IAD)

Operates only on 2025-08-19

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 348)

Duration: 5:00, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

16:00

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Valid until 2025-05-07

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 345)

Duration: 4:58, non-stop
Boeing 737 MAX 9 (7M9)

Hawaiian Airlines HA6717

16:00

Seattle-Tacoma (SEA)

23:58

Dulles, Washington (IAD)

Operates only on 2025-05-10

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by Alaska Airlines. (AS 345)

Duration: 4:58, non-stop
Boeing 737 (737)

Ad mobi box here (300x250px) 6815354179 M FlightInfo Bottom Box

Parallax here SEA-IAD

prev Page 8 / 11 next

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
The flight distance is 2299 miles, or 3699 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:48 and 5:11.

Return (IAD-SEA) flights

Feedback - Disclaimer - Privacy - new_base.html - MOBILE

- CACHE: False - LANG: en - IS_EU: False